 (def params-that-disallow-pattern-search-option
   "Parameters which do not allow pattern search option."
   (set #{:concept-id :echo-collection-id :echo-granule-id}))
+
+(def params-that-allow-or-option
+  "Parameter which allow search with the OR option."
+  #{:attribute :science-keywords})
 
 (def exclude-params
   "Lists parameters which can be used to exclude items from results."

   unrecognized-params-settings-in-options-validation
   option-case-sensitive-params-validation
   option-pattern-params-validation
   temporal-format-validation
   updated-since-validation
   orbit-number-validation

             options))
    []))

(defn option-case-sensitive-params-validation
  "Validates ignore case option setting is not set to true for identified params."
  [concept-type params]
